Search a number
-
+
1213320030001 = 6411892854961
BaseRepresentation
bin10001101001111111100…
…000100110011100110001
311021222210100200202001221
4101221333200212130301
5124334334411430001
62325220323025041
7153442126042522
oct21517740463461
94258710622057
101213320030001
11428625586852
1217719650b181
138a55307b471
1442a2159c849
15218642a61a1
hex11a7f826731

1213320030001 has 4 divisors (see below), whose sum is σ = 1215212885604. Its totient is φ = 1211427174400.

The previous prime is 1213320029953. The next prime is 1213320030023. The reversal of 1213320030001 is 1000300233121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1162040880400 + 51279149601 = 1077980^2 + 226449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213320030001 - 223 = 1213311641393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213320030071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946426840 + ... + 946428121.

It is an arithmetic number, because the mean of its divisors is an integer number (303803221401).

Almost surely, 21213320030001 is an apocalyptic number.

It is an amenable number.

1213320030001 is a deficient number, since it is larger than the sum of its proper divisors (1892855603).

1213320030001 is an equidigital number, since it uses as much as digits as its factorization.

1213320030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892855602.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1213320030001 its reverse (1000300233121), we get a palindrome (2213620263122).

The spelling of 1213320030001 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, thirty thousand, one".

Divisors: 1 641 1892854961 1213320030001